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公开(公告)号：US11358089B2
公开(公告)日：2022-06-14
申请号：US16033729
申请日：2018-07-12
Applicant: CUMMINS FILTRATION IP, INC.
Inventor： Bradley A. Smith , Chirag D. Parikh , Brian K. Wagner , Scott Manke
Abstract: A filter that is retained in a shell housing by the use of a snap connection. The filter includes an endplate having snap features that interact with a groove in an inner portion of the shell housing. The groove may extend 360 degrees around an inner circumference of the shell housing. Accordingly, when the shell is unthreaded from the head service (e.g., during a filter replacement service), the shell only needs to be displaced the length of the inner radial seal interface between the shell and the head, not the entire length of the filter media thereby minimizing the stroke length needed to service the filter assembly.
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公开(公告)号：US11352999B2
公开(公告)日：2022-06-07
申请号：US17044371
申请日：2019-04-16
Applicant: Cummins Filtration IP, Inc.
Inventor： Chirag D. Parikh
Abstract: A separation assembly comprises a housing, a jet that expels a fluid within the housing, and a turbine assembly positioned within the housing and positioned so as to be contacted by the fluid expelled from the jet. The fluid causes the turbine assembly to rotate about a center rotational axis within the housing. The turbine assembly comprises a first turbine portion and a second turbine portion that are separately formed from each other and attachable together. The first turbine portion comprises a plurality of first vanes and the second turbine portion comprises a plurality of second vanes.
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公开(公告)号：US11331608B2
公开(公告)日：2022-05-17
申请号：US16938422
申请日：2020-07-24
Applicant: Cummins Filtration IP, Inc.
Inventor： Chirag D. Parikh , Christopher E. Holm , Bradley A. Smith
Abstract: An attachment and retaining mechanism is described for removably attaching a rotating filter element to a rotating shaft. The rotating filter element includes a filter media that is driven by a drive mechanism that rotates the rotating shaft. The filter element is removably attached to the rotating shaft such that the filter element and filtration system can be periodically replaced and/or serviced. In some arrangements, the drive shaft includes a D-shaped section that interacts with a mating section of the filter element sleeve of the rotating filter element. In other arrangements, the drive shaft includes at least one flat drive surface.
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公开(公告)号：US10537842B2
公开(公告)日：2020-01-21
申请号：US15579082
申请日：2016-06-08
Applicant: Cummins Filtration IP, Inc.
Inventor： Chirag D. Parikh , Christopher E. Holm , Peter K. Herman , Brian W. Schwandt , Lee A. Peck
Abstract: Rotating coalescer crankcase ventilation (CV) systems are described. The described CV systems utilize a contact seal to seal a gap between a static side of a housing and a rotating coalescer inlet. The rotating coalescer may be driven mechanically, electrically, hydraulically, or the like. The contact seal can be formed via a soft solid or a liquid film created by oil. Accordingly, the contact seal is a hydrodynamic soft seal. The contact seal prevents the blowby gases from bypassing the filter element of the rotating coalescer. At the same time, the contact seal may be broken during positive blowby gas recirculation circumstances because the contact seal is a hydrodynamic soft seal.
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25.发明申请公开(公告)号：US20190299134A1
公开(公告)日：2019-10-03
申请号：US16466711
申请日：2017-12-08
Applicant: Cummins Filtration IP, Inc.
Inventor： Peter K. Herman , Christopher E. Holm , Mark V. Holzmann , Arun P. Janakiraman , Chirag D. Parikh , Miao Li
Abstract: Various rotating coalescer elements are described. The rotating coalescer elements include various arrangements of stacked separator discs or cones. In some arrangements, the described rotating coalescer elements include a combination of stacked separator discs or cones and filter media. In some arrangements, the stacked separator discs are designed to provide the largest possible amount of radial-projected separation surface area in a given rotating cylindrical volume, where flow to be cleaned is passing radially (outwardly or inwardly) through the rotating coalescer element. In some arrangements, this is achieved by stacking non-conical separating plates containing various area-maximizing features (e.g., spiral ribs, axial cylinders, spiral grooves, or spiral “V” shapes).
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Patent Agency Ranking
26.发明申请公开(公告)号：US20190046911A1
公开(公告)日：2019-02-14
申请号：US15761704
申请日：2016-09-20
Applicant: Cummins Filtration IP, Inc.
Inventor： Himani Deshpande , Christopher E. Holm , Anthony Barreteau , Chirag D. Parikh , Gérard Malgorn , Alain Olier , Bradley A. Smith , Benjamin L. Scheckel , Lee A. Peck , Brian W. Schwandt , Ken Tofsland
Abstract: Referring to the figures generally, rotating filter cartridges (e.g., a rotating coalescers) for a rotating filtration system (e.g., rotating coalescer crankcase ventilation systems) are described. The described filter cartridges use mechanically created seals to seal the filter media to the endcaps of the filter cartridges. Accordingly, the described filter cartridges eliminate the need to use a potting or embedding material during manufacturing of the filter cartridge, thereby eliminating the costs and potential manufacturing defects associated with the potting or embedding material and process.
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公开(公告)号：US09885265B2
公开(公告)日：2018-02-06
申请号：US14321270
申请日：2014-07-01
Applicant: CUMMINS FILTRATION IP, INC.
Inventor： Brian W. Schwandt , Scott P. Heckel , Saru Dawar , Chirag D. Parikh , Christopher E. Holm , Peter K. Herman , Gregory W. Hoverson , Rohit Sharma , Benoit Le Roux , Jean-Luc Guichaoua , Shiming Feng , Gerard Malgorn , Arun Janakiraman , Jerald J. Moy , Himani Deshpande , Barry M. Verdegan , Howard E. Tews , Roger L. Zoch
CPC classification number: F01M13/04 , F01M13/022 , F01M13/023 , F01M2013/0072 , F01M2013/0422 , F01M2013/0438
Abstract: An internal combustion engine crankcase ventilation rotating coalescer includes an annual rotating coalescing filter element, an inlet port supplying blow by gas from the crankcase to the hollow interior of the annular rotating coalescing filter element, and an outlet port delivering clean separated, air from the exterior of the rotating element. The direction of flow by gas inside-out, radially, outwardly from the hollow interior to the exterior.
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公开(公告)号：US09884275B2
公开(公告)日：2018-02-06
申请号：US15019139
申请日：2016-02-09
Applicant: Cummins Filtration IP, Inc.
Inventor： Anil I. Sawant , Loick Menez , Chirag D. Parikh , Gerard Malgorn
CPC classification number: B01D29/21 , B01D27/08 , B01D35/30 , B01D35/306 , B01D2201/295 , B01D2201/302 , B01D2201/34 , B01D2201/342 , B01D2201/347
Abstract: A spin-on filter that eliminates the use of a nut plate and reduces the number of separate components. Instead, the spin-on filter utilizes the end plate of the filtercartridge to perform a number of functions, including closing the open end of the filter shell, sealing between the dirty and clean fluid sides, sealing between the filter and the mounting head to prevent leakage outside the filter to environment, attaching the filter cartridge to the shell, and sealing the end of the filter media.
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公开(公告)号：US20160158675A1
公开(公告)日：2016-06-09
申请号：US15019139
申请日：2016-02-09
Applicant: Cummins Filtration IP, Inc.
Inventor： Anil I. Sawant , Loick Menez , Chirag D. Parikh , Gerard Malgorn
CPC classification number: B01D29/21 , B01D27/08 , B01D35/30 , B01D35/306 , B01D2201/295 , B01D2201/302 , B01D2201/34 , B01D2201/342 , B01D2201/347
Abstract: A spin-on filter that eliminates the use of a nut plate and reduces the number of separate components. Instead, the spin-on filter utilizes the end plate of the filtercartridge to perform a number of functions, including closing the open end of the filter shell, sealing between the dirty and clean fluid sides, sealing between the filter and the mounting head to prevent leakage outside the filter to environment, attaching the filter cartridge to the shell, and sealing the end of the filter media.
Abstract translation: 旋转式过滤器可消除使用螺母板并减少单独部件的数量。 相反，自旋式过滤器利用过滤器盒的端板执行多种功能，包括关闭过滤器壳体的开口端，脏污和清洁的流体侧之间的密封，过滤器和安装头之间的密封，以防止 过滤器外部泄漏到环境中，将过滤器滤芯连接到外壳上，并密封过滤介质的末端。
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公开(公告)号：US20240337206A1
公开(公告)日：2024-10-10
申请号：US18743567
申请日：2024-06-14
Applicant: Cummins Filtration IP, Inc.
Inventor： Kenneth M. Tofsland , Christopher E. Holm , Chirag D. Parikh , Rajath Martin
CPC classification number: F01M13/04 , B01D45/14 , F01M2013/0422
Abstract: An axial flow element for use in a liquid separation system for an internal combustion engine includes a hub, a groove, a locking member, and a flat layer. The hub includes a cylindrical outer surface. The groove is disposed in the outer surface. The groove extends in a substantially longitudinal direction along the hub from a first end of the hub to a second end of the hub. The locking member is disposed in the groove. The flat layer is disposed between the hub and the locking member.
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